A domain name identifies a unique website and consists of two parts.
For example the domain: kosnet.gr consists of top level domain (tdl) which conclusion is .gr and second level domain that is kosnet. For this domain name the electronic address is: http://www.kosnet.gr
If you set the sub domain webservices and mail, the respective addresses are: http://webservices.kosnet.gr and http://mail.kosnet.gr.
A sub domain can redefine the visitor on a route to drive server. For example the sub domain http://mail.kosnet.gr redefines the visitor to the URL http://www.kosnet.gr/webmail/ .
- 1 Users Found This Useful